Ignore a clippy false positive in map_clone
diff --git a/src/lib.rs b/src/lib.rs
index d8031f5..dc07fea 100644
--- a/src/lib.rs
+++ b/src/lib.rs
@@ -295,6 +295,8 @@
         used_underscore_binding
     )
 )]
+// False positive: https://github.com/rust-lang-nursery/rust-clippy/issues/3274
+#![cfg_attr(feature = "cargo-clippy", allow(map_clone))]
 
 #[cfg(all(
     not(all(target_arch = "wasm32", target_os = "unknown")),